3 Definitions, symbols and abbreviations

24.5233GPPArchitecture and functional descriptionCore and enterprise Next Generation Network (NGN) interaction scenariosRelease 17TS

3.1 Definitions

For the purpose of the present document, the terms and definitions given in 3GPP TS 22.519 [2] apply:

business trunking

business trunking application

Corporate telecommunication Network (CN)

Hosted Enterprise Services (HES)

Next Generation CN (NGCN)

NGCN site

PNP number

private network traffic

Private Numbering Plan (PNP)

public network traffic

3.2 Abbreviations

For the purposes of the present document, the following abbreviations apply:

API Application Programming Interface

AS Application Server

ASP Application Service Provider

BGCF Breakout Gateway Control Function

CN Core Netwrok

CND Customer Network Device

CNG Customer Network Gateway

DHCP Dynamic Host Configuration Protocol

FQDN Fully Qualified Domain Name

HES Hosted Enterprise Services

HSS Home Subscriber Server

IBCF Interconnection Border Control Function

I-CSCF Interrogating CSCF

IM IP Multimedia

IMCN IP Multimedia Core Network

IMS IP Multimedia Subsystem

IOI Inter Operator Identifier

IP Internet Protocol

IWF InterWorking Function

MACF Multiple Association Control Function

NASS Network Attachment SubSystem

NAT Network Address Translator

NGCN Next Generation Corporate Network

NGN Next Generation Network

P-CSCF Proxy CSCF

PNP Private Numbering Plan

PSAP Public Safety Answering Point

RACS Resource and Admission Control Subsystem

S-CSCF Serving CSCF

SIP Session Initiation Protocol

SSP Session Service Provider

TE Terminal Equipment

TSP Transport Service Provider

UE User Equipment

URI Uniform Resource Identifier